Michaela catches 3 fish, which weigh a total of 19 1/2 pounds. one fish weighs 7 5/8 pounds and another weighs 5 3/4 pounds. how much does the third fish weigh?

If 30 lb of rice and 30 lb of potatoes cost ? $27.60? , and 20 lb of rice and 12 lb of potatoes cost ? $15.04? , how much will 10 lb of rice and 50 lb of potatoes? cost?

Find the missing dimension extra points

Erinn wrote the equation –5x + 4y = 32 to represent her hourly wage (y) and how this wage has changed during each year that she worked at a company (x). what is the rate of change in erinn's hourly wage per year?